M magol Member Joined 2016 2016-04-28 10:15 am #1 2016-04-28 10:15 am #1 I'm trying to understand how some old equipment from ABB is working. I'm have schematics for the circuit boards, but it do not contains any information about the parts. Can you please help me identify this varistors? Attachments Tyristors.jpg 274.4 KB · Views: 220 JonSnell Electronic Member Joined 2012 jonsnell.co.uk 2016-04-28 10:45 am #2 2016-04-28 10:45 am #2 7k431 = 7K431 275V AC 7MM 7k201 = 7K201 130V AC 7MM M magol Member Joined 2016 2016-04-28 3:33 pm #3 2016-04-28 3:33 pm #3 Thank you very much :-D Status Not open for further replies. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
I'm trying to understand how some old equipment from ABB is working. I'm have schematics for the circuit boards, but it do not contains any information about the parts. Can you please help me identify this varistors?
JonSnell Electronic Member Joined 2012 jonsnell.co.uk 2016-04-28 10:45 am #2 2016-04-28 10:45 am #2 7k431 = 7K431 275V AC 7MM 7k201 = 7K201 130V AC 7MM M magol Member Joined 2016 2016-04-28 3:33 pm #3 2016-04-28 3:33 pm #3 Thank you very much :-D Status Not open for further replies.
